could not calculate numerical derivatives -- discontinuous region with missing values encountered r(430); 事实上我采用eviews也无法得出结果,结果中呈现出NAN的数值 截图如下: 通过stata论坛,查到可能的结果如下: 我需要帮助。我在运行回归时得到了这个(下面)错误。如何解决这个问题?“…附近的值缺少迭代30:对数...
Ifrecord[1]is missing becausey[1]is missing, the first nonmissing value encountered is still used as the first nonmissing record becausemax(missing,nonmissing)is alwaysnonmissing. If anyrecordfrom observation 2 on is missing, this does not matter for the same reason. So a missing value in...
Providing an error example is challenging, but unnecessary. Typically, the debugger is used to locate the variable responsible for an error, rather than for prediction purposes. Therefore, when an error is encountered, the debugger can be utilized to pinpoint the problematic variable. Some may arg...
Starting period: 2007 Ending period: 2009 Number of panels: 117 Forecast prefix: f_ Solving panel 1 Solving panel 2 Solving panel 3 Solving panel 4 Solving panel 5 Solving panel 6 Solving panel 7 Solving panel 8 Solving panel 9 missing values encountered Missing values were encountered while ...
J.M. Wooldridge RUDIMENTS OF STATA Michigan State University This handout covers the most often encountered Stata commands. It is not comprehensive, but the summary will allow you to do basic data management and basic econometrics. I will provide some information on more advanced estimation ...
could not calculate numerical derivatives -- discontinuous region with missing values encountered r(459); My first thought was that this really would be an issue with missings values but there are no missing values in givings if givings_dum is valid and vice versa (which w...
Welcome to visit again XXXX annual work summary Dear every leader, colleagues: Look back end of XXXX, XXXX years of work, have the joy of success in your work, have a collaboration with colleagues, working hard, also have disappointed when encountered difficulties and setbacks. Imperceptible in...
Most variables encountered in empirical research, though, are nonstationary. For example, both the mean and variance of gross domestic product (GDP) in the United States grow over time, driven by growth in population, capital stock, and productivity. Techniques have been developed for transforming...
4 Stata Technical Bulletin STB-25 missing(string) is a comma-separated list specifying a string to be ced into the table for any missing value that is encountered when creating the table. There are k entries in this list. The default is not to make any substitution. align(string) is ...
162.75137 5.120607 -14778.316 .02318294 7.6890969 Iteration 0: Log Likelihood = -494.74219 (nonconcave function encountered) -2.9994732 2.6466524 (output omitted ) Iteration 12: 105.5897 7.7478327 Iteration 13: Log Likelihood = -490.83493 4.1791758 -10449.21 .0262556 Log Likelihood = -490.83493 -3.3591755...